#27487C
Closest named color: Light Navy (#155084). oklch(40.4% 0.096 259.2), rgb(39, 72, 124).
Aa
White text reads best on this color (9.11:1).
About this color
#27487C is a dark, moderately saturated blue. In OKLCH its lightness is 40%, its chroma 0.096 and its hue 259°. Its hue sits on the cool side of the wheel. The nearest named color is Light Navy (#155084), ΔE 0.026 away. White text reads best on it, at 9.11:1.
| Hue family | Blues |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.096) |
| Temperature | cool |
| Nearest name | Light Navy (#155084) |
| Black text | 2.30:1 |
| White text | 9.11:1 |
Values
| HEX | #27487C |
| RGB | rgb(39, 72, 124) |
| HSL | hsl(217, 52%, 32%) |
| OKLCH | oklch(40.4% 0.096 259.2) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #27487C | 9.11:1 | AAA | Lc -95.1 | Preferred for body text |
| Black text on #27487C | 2.30:1 | Fails | Lc 13.2 | Not readable |
| #27487C text on white | 9.11:1 | AAA | Lc 90.7 | Preferred for body text |
| #27487C text on black | 2.30:1 | Fails | Lc -11.6 | Not readable |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 800.
-
Step 50
50
#F2F6FB
oklch(97.2% 0.008 253.9)
-
Step 100
100
#E3EAF5
oklch(93.5% 0.017 259.4)
-
Step 200
200
#CDDAEE
oklch(88.5% 0.031 258.9)
-
Step 300
300
#ABC2E5
oklch(80.9% 0.056 258.7)
-
Step 400
400
#7FA2D9
oklch(70.8% 0.09 259.2)
-
Step 500
500
#5E8ACE
oklch(63.1% 0.114 258.8)
-
Step 600
600
#4473BB
oklch(55.7% 0.124 258.7)
-
Step 700
700
#3660A2
oklch(49.2% 0.116 259.1)
-
Step 800
800 (this color)
#27487C
oklch(40.4% 0.096 259.2)
-
Step 900
900
#284169
oklch(37.6% 0.076 259.4)
-
Step 950
950
#18273D
oklch(27.1% 0.046 257.8)
#27487C with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #304D7E | 0.019 |
| Deuteranopia (no green cones) | #24457B | 0.010 |
| Tritanopia (no blue cones) | #00545C | 0.078 |
| Achromatopsia (no color) | #484848 | 0.096 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #27487C
#27487C
oklch(40.4% 0.096 259.2)
- #614200
#614200
oklch(40.4% 0.084 78.4)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #27487C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Navy #155084 ΔE 0.026
- Twilight Blue #0A437A ΔE 0.029
- Cobalt #1E488F ΔE 0.032
- Deep Sea Blue #015482 ΔE 0.038
- Dusk Blue #26538D ΔE 0.039
- Dark Grey Blue #29465B ΔE 0.056
- Light Navy Blue #2E5A88 ΔE 0.056
- Dark Slate Blue #483D8B ΔE 0.059
Use #27487C in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.